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将G2SFCA方法和电路理论联系起来,以促进城市生态基础设施的空间公平和景观连接
Longyang Huang1, Yu Lu1, Jing Wang2
1School of Public Policy and Administration, Chongqing University, Chongqing 400044, China.
Journal of environmental management
|October 12, 2023
概括
城市生态基础设施 (UEI) 规划需要改善连接性和公平访问. 优化UEI布局和创建生态走廊可以提高城市环境正义,但目前的战略需要改进,以更好地整合和生态功能.
科学领域:
- 城市规划和景观生态学
- 空间分析和环境正义
- 生态基础设施和城市可持续性
背景情况:
- 城市生态基础设施 (UEI) 对于改善城市生活质量,环境效益和息地至关重要.
- 景观连接对于UEI的生态功能至关重要,而空间公平对于居民福祉和环境正义至关重要.
- 台现有的UEI缺乏足够的连接,突出了战略规划和增强的需要.
研究的目的:
- 分析台市UEI的空间结构和可访问性.
- 评估城市居民可访问的UEI的空间公平性.
- 提出优化UEI布局和建造生态走廊的方法,以改善连接和公平.
主要方法:
- 用于UEI模式分析的形态空间模式分析 (MSPA).
- 基于重力的两级浮动流域 (G2SFCA) 用于空间可访问性计算.
- 股权建模,位置分配模型,以及用于优化和走廊建设的电路理论.
主要成果:
- 台的UEI仅占桥梁和岛屿面积的10%,这表明连接性差,网络结构不完整.
- 总体而言,UEI的可访问性公平性很好,但旧城区32.7%的居民缺乏足够的访问.
- 优化UEI可以提高公平性,但在密集的城市地区增加新的基础设施是很困难的;生态走廊严重依赖现有道路.
结论:
- 在台的UEI布局中存在显著的空间不公正,与房价相关.
- 规划者和政府必须整合生态和人工基础设施,以实现公平的UEI接入和城市环境正义.
- 该研究提供了空间和方法支持,以加强UEI连接性和城市规划中的公平性.
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